netdev - [PATCH net-next] net: phylink: allow in-band AN for USXGMII

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Date:   Thu, 16 Jan 2020 19:39:30 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     davem@...emloft.net, linux@...linux.org.uk, andrew@...n.ch,
        f.fainelli@...il.com, hkallweit1@...il.com
Cc:     netdev@...r.kernel.org,
        Alex Marginean <alexandru.marginean@....com>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: [PATCH net-next] net: phylink: allow in-band AN for USXGMII

From: Alex Marginean <alexandru.marginean@....com>

USXGMII supports passing link information in-band between PHY and MAC PCS,
add it to the list of protocols that support in-band AN mode.

Being a MAC-PHY protocol that can auto-negotiate link speeds up to 10
Gbps, we populate the initial supported mask with the entire spectrum of
link modes up to 10G that PHYLINK supports, and we let the driver reduce
that mask in its .phylink_validate method.

Signed-off-by: Alex Marginean <alexandru.marginean@....com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
 drivers/net/phy/phylink.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index efabbfa4a6d3..f40d92ec32f8 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -299,6 +299,7 @@ static int phylink_parse_mode(struct phylink *pl, struct fwnode_handle *fwnode)
 			break;
 
 		case PHY_INTERFACE_MODE_10GKR:
+		case PHY_INTERFACE_MODE_USXGMII:
 		case PHY_INTERFACE_MODE_10GBASER:
 			phylink_set(pl->supported, 10baseT_Half);
 			phylink_set(pl->supported, 10baseT_Full);
-- 
2.17.1